Across
1
Ancient empire that conquered much of Europe
4
Person owned as property
5
Roman arena fighter
6
Government by the people
7
Large territory under one ruler
8
Freedom from outside control
11
Object made by humans from the past
12
Succession of rulers from same family
Down
2
Union formed for mutual benefit
3
Fundamental law of a nation
9
Person who travels to discover new lands
10
Exchange of goods between peoples
13
Ancient Egyptian stone monument